AlFazali MF, Hanafi Y, Ma’rifah DR. Literature study: Diversity level of coastal echinoidea as a source of biology learning materials for biodiversity. Edubiotik [Internet]. 2021 Sep. 1 [cited 2026 Apr. 18];6(02):99-107. Available from: https://ejurnal.uibu.ac.id/index.php/edubiotik/article/view/1956